|
 | | Re: Minifig scale?
|
| I think this whole issue of scale and size brings into question just how humans see the world and depict it. Western Civilization and the whole scientific mathematical outlook of the world originated only a few hundred years ago with the discovery (...) (16 years ago, 26-Jul-08, to lugnet.build, FTX)
| |
|  
measurement
(score: 1.988)
|
|
| | Re: LEGO® Launches Battle Over Trademark
|
| (...) From what I recall, LEGO received KiddieCraft bricks in 1947 along with their first molding machine. The bricks were (if I infer correctly) presented to LEGO as examples of what can be done with plastic injection molding. LEGO probably didn't (...) (15 years ago, 19-Nov-09, to lugnet.mediawatch, FTX)
| |
|
measurement
(score: 1.988)
|
|
| | tracking an IR beacon
|
| Hello all - My goal: I'm trying to determine the feasibility of tracking an IR source with my Handy Board. My initial scheme calls for using two IR detectors (the ones with all the internal filters, etc, to provide a clean 5V output upon detection (...) (27 years ago, 6-Dec-97, to lugnet.robotics.handyboard)
| |
|
measurement
(score: 1.988)
|
|
| | Re: Help reading pulsewidth. Duh!
|
| After sutdying the schmatics for an hour, I got up to get something to drink. When I came back I noticed that digital 1 is connected directly to the IC 1 input line and digital 2 goes to IC2 via a pullup resistor. It seems that the answer was right (...) (27 years ago, 23-Mar-98, to lugnet.robotics.handyboard)
| |
|
measurement
(score: 1.988)
|
|
| | Re: Cheap air flow sensor
|
| Elektor had published a similar circuit for detecting air leaks. The heated transistor and another transistor acting as temp. sensor were glued together using heatsink compound. You had then to nullify/calibrate a meter at ambient temp. when the (...) (26 years ago, 16-Jun-98, to lugnet.robotics.handyboard)
| |
|
measurement
(score: 1.988)
|
|
| | Re: Studless building techniques
|
| (...) <snip> (...) building (...) Stability link. (...) 6-8-10 (...) the (...) beams (...) holes. As (...) misleading. (...) the (...) typical (...) compute the (...) hard to (...) 3-4-5 works (...) distances (...) methinks, (...) This I would be (...) (18 years ago, 7-Oct-06, to lugnet.robotics.edu)
| |
|
measurement
(score: 1.988)
|
|
| |
|
measurement
(score: 1.988)
|
|
| | Eyeballing It
|
| Hey Y'all: No, it's nothing prurient or otherwise disgusting -- I just want to know how y'all calculate certain coordinate points in parts authoring, or rather how ya don't. T. Hafner was good enough to place into my hands a very well commented DAT (...) (22 years ago, 11-May-02, to lugnet.cad)
| |
|
measurement
(score: 1.988)
|
|
| | Really BIG RP
|
| Alas, someone beat me to the BIG LEGO idea.. Behold - the totally cool (URL) RP moonbuggy> Stratasys showed at SIGGRAPH this year, handled by L-PRIZE's own (URL) Tim Courtney>. Made of ABS, with some removable parts and rotating wheels. FYI, the (...) (20 years ago, 28-Aug-04, to lugnet.cad, lugnet.parts.custom, FTX)
| |
|
measurement
(score: 1.988)
|
|
| | Another DIY sensor
|
| My continuing journey into the world of DIY RCX sensors has lead me to a home made rotation sensor which may be of interest. Since the RCX light sensor reports values in the range 0 - 100 and my compass sensors are thus constrained to report 0 - 360 (...) (24 years ago, 16-Nov-00, to lugnet.robotics)
| |
|
measurement
(score: 1.988)
|
|
| | Re: LP statement on terrorist attacks
|
| (...) Or as disproof either. You are correct sir. Insert a "necessarily" in the appropriate place so my statement reads: That an opinion is being ignored doesn't *necessarily* make it wrong or even irrelevant. I would say that these particular (...) (23 years ago, 15-Sep-01, to lugnet.off-topic.debate)
| |
|
measurement
(score: 1.988)
|
|
| | How many times to upload??
|
| Hello all, On the Handy Board, how many times can program files be uploaded to the memeory on the board? I am not much of a programmer and spend alot of time de-bugging. I can do as many as 30 uploads in an evening, all though, truth to tell, most (...) (25 years ago, 4-Jun-99, to lugnet.robotics.handyboard)
| |
|
measurement
(score: 1.988)
|
|
| | Re: Roll Call time again!
|
| In lugnet.loc.au, James Howse writes: Name: Richie Dulin Gender: Male Year of Birth: 1968 Mental Age/Status of Inner Child: 5, so I can play with the small parts. Location: Hornsby, Sydney. E-mail Address: rdulin@austarmetro.com.au or (...) (22 years ago, 13-Oct-02, to lugnet.loc.au)
| |
|
measurement
(score: 1.988)
|
|
| | Re: Ultrasonic Sensor
|
| (...) In my experience, the loss of "headroom" when using rechargeable batteries can cause serious problems for active sensors. They run from a current limited copy of the battery voltage when in the power phase of the active sensor interface mode. (...) (21 years ago, 18-Jan-04, to lugnet.robotics)
| |
|
measurement
(score: 1.988)
|
|
| | Balancing robots
|
| How does a balancing robot like Legway balance on a patterned floor? Or can it? I've got some of the way there. My understanding from reading the web descriptions of various projects is that you _ought_ to measure - angle of tilt - rate of change (...) (21 years ago, 20-Jan-04, to lugnet.robotics)
| |
|
measurement
(score: 1.988)
|
|
| |
|
measurement
(score: 1.988)
|
|
| | RE: IR scanner
|
| The biggest problem I see with using rotating platforms, etc. is that they are slow and use up a bunch of I/O ports to implement well. There are a number of "one pixel" sensors that you can use with these implementations -- several have been (...) (25 years ago, 30-Nov-99, to lugnet.robotics)
| |
|
measurement
(score: 1.988)
|
|
| | Re: Solar Cell Output in Direct Sunlight
|
| (...) Well, I could certainly create an artificial environment which would increase the solar cell's output without the need for scheduling another test on the summer solstice, if you were merely curious as to its maximum output based on the cell's (...) (24 years ago, 25-Mar-01, to lugnet.robotics, lugnet.dacta)
| |
|
measurement
(score: 1.988)
|
|
| |
|
measurement
(score: 1.988)
|
|
| |
|
measurement
(score: 1.988)
|
